American Mineralogist
REGULAR ARTICLE
411 Contributions of crystallography, mineralogy, and petrology to the geology of the Lucerne pluton, Hancock County, Maine
438 Thermal histories of two lava flows estimated from cryptoperthite lamellar spacings
444 Microstructure and thermal history of cryptoperthites in a dike from Big Bend, Texas
449 Determinative diagrams for Al,Si order in plagioclases
458 The unit-cell parameters of an ordered K-Rb alkali feldspar series
465 Computing and drawing crystal shapes
472 The crystal structure of a ternary (Ba,K,Na)-feldspar and its significance
477 Crystal structure of rasvumite, KFe2S3
483 The crystal structure of kolicite, Mn7(OH)4[As2Zn4Si2Ol6(OH)4]
488 The crystal structure of althausite, Mg4(PO4)2(OH,O) (F,[])
499 Klebelsbergite, Sb4O4(OH)2SO4: redefinition and synthesis
506 Sundiusite, a new lead sulfate oxychloride from Långban, Sweden
509 Erdite, a new hydrated sodium iron sulfide mineral
516 The crystal structure of erdite, NaFeS2·2H2O
522 Cordierites: compositional controls of Δ, cell parameters, and optical properties
534 The structure of triclinic chloritoid and chloritoid polymorphism
540 Phase relations and their petrological implications in the system MgO-SiO2-H2O-CO2 at pressures up to 100 kbar
557 Fluorine distribution in the hydrous silicate minerals of the Franklin Marble, Orange County, New York
563 The orthoenstatite liquidus field in the system forsterite-diopside-silica at one atmosphere
574 The anilite/low-digenite transition
579 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1979
583 Acceptance of the Mineralogical Society of America Award for 1979
AWARD
578 Presentation of the Roebling Medal of the Mineralogical Society of America for 1979 to W. H. Taylor
581 Presentation of the Mineralogical Society of America Award for 1979 to David Ho-kwang Mao
BOOK REVIEW
576 BOOK REVIEWS
PROCEEDINGS
587 PROCEEDINGS Proceedings of the Sixtieth Annual Meeting of the Mineralogical Society of America in San Diego, California
MEMORIAL
585 MEMORIALS Memorial of E. Dale Jackson
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.